Changes in version 2025-12-12 This release introduces major modules for data preprocessing and item analysis, alongside enhancements to the CFA workflow. - Missing Value Module: Added a new module for comprehensive missing data diagnostics and imputation. Users can now visualize missingness patterns and apply strategies ranging from listwise deletion to advanced imputation methods (e.g., MICE, missForest). - Item Drop Out: Introduced the "Item Drop Out" module (formerly Item-Rest) to facilitate automated item elimination strategies for optimizing scale properties and factor structures. - CFA Module Updates: Enhanced the Confirmatory Factor Analysis (CFA) module, specifically improving the "Model Builder" to allow for easier definition of covariances and model specifications. - Reliability Analysis: Added support for - Stratified Alpha coefficient calculation to better assess reliability in multidimensional scales.